Floating mattress



FIG. 1 is a perspective view of a floating mattress in accordance with our new design.

FIG. 2 is a top plan view of the floating mattress of FIG. 1.

FIG. 3 is an elevational view as seen from the lower side of FIG. 2.

FIG. 4 is an elevational view as seen from the upper side of FIG. 2.

FIG. 5 is a bottom plan view of the floating mattress of FIG. 2.

FIG. 6 is a elevational view as seen from the right end of FIG. 2; and,

FIG. 7 is a elevational view as seen from left end of FIG. 2. 

CLAIM The ornamental design for a floating mattress, as shown and described. 